Williams Creek (Shoup) Bridge Replacement
Replace the existing single lane, tri-span Williams Creek (Shoup) Bridge with an updated dual lane, single span structure utilizing an arched steel and suspension cable support system.
Heavy Civil
heavy_civil
Devils Lake Flood Risk Management Phase 2B Embankments
Raise embankments, and construct a new interior drainage pump station and gatewell capable of discharging 280,000 GPM.
Design-Build SH-3 St. Joe River & St Maries RR Bridge
Two new bridges over the St. Joe River and St. Maries River Railroad.
Big Sandy Dam Reservoir Enlargement
Construct new dam and dike embankments, toe drains, install concrete encased HDPE outlet works pipe…
Multipurpose Range Complex Repair
Repair existing target emplacements on two adjacent military training ranges…
Opal Springs Hydroelectric Project & Fish Passage Improvements
Construct a new vertical slot fish ladder and modify the existing diversion crest.
Upper Malad Fish Ladder
Construct a concrete fish ladder with transport channel, viewing vault and auxiliary water system.
Manning Crevice Bridge Replacement
Construct a single-tower asymmetrical suspension bridge over the Salmon River.
Renwick Dam Rehabilitation Phase 2
Install a 500-foot-wide wide structural spillway over the Renwick Dam embankment using conventional reinforced concrete and air-entrained, roller-compacted concrete (AERCC).